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Prison telephones
Brief Introduction
The SC-CR05 Prison Telephone is ideal for indoor use in secure environments like prisons and banks. Its stainless steel casing and integrated design make it highly durable and tamper-resistant. Using standard IP/RTP voice transmission, it’s compatible with leading SIP-based IP PBX, soft switch, and IMS platforms including Asterisk, 3CX, and Elastix.
Product Features
- Casing: Constructed from durable, corrosion-resistant SUS304 stainless steel in a single, robust, tamper-proof unit.
- Stores a single speed dial group, user-configurable through an IE browser interface.
- Auto-answers calls and disconnects automatically upon call termination, preventing line blockage.
- Adheres to the standard SIP protocol.
- Includes smart DSS keys (speed dial, intercom, etc.).
- Powered by PoE or 12V; no external power adapter needed.
Basic Parameters
| Size | 240*170*40MM |
|---|---|
| Weight | 2KG |
| Audio output | 3W |
| Shell material | stainless steel |
| Keyboard material | stainless steel |
| color | Silver |
| Communication mode | SIP protocol, analog |
| Installation method | Wall-mounted |
| Power supply | POE and DC are optional |
Product Configuration
Network
- SIP v1 (RFC2543), v2(RFC3261)
- IP/TCP/UDP/RTP/RTCP
- IP/ICMP/ARP/RARP/SNTP
- TFTP Client/DHCP Client
- Telnet/HTTP Server
- DNS Client
Audio
- G.711: 64k bit/s (PCM)
- G.723.1: 6.3k / 5.3k bit/s
- G.726: 16k / 24k / 32k / 40k bit/s (ADPCM)
- G.729 A: 8k bit/s (CS-ACELP)
- G.729B: adds VAD & CNG to G.729
Special Features
- Hands-free communication enabled.
- One-button dialing using speed dial.
- Automatic call answering (configurable for single lines).
- Voicemail available (requires server support).
- Local three-party conference calls supported.
Dimensions
Q: Does this product have a quick dial function?
A: Yes, this product supports one-touch dialing.
